Three shelf assembly



FIG. 1 is a perspective view of a three shelf assembly in accordance with my design.

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view as viewed from the left side of FIG. 1, with the right side elevational view being a mirror image thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a three shelf assembly, as shown and described. 